Test your basic knowledge |

DSST Physical Sciences Principles

Subjects : dsst, science

Instructions:

Answer 31 questions in 15 minutes.
If you are not ready to take this test, you can study here.
Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.

1. Circular motion requires centripetal force
Movement
First principle of Centripetal force
Momentum
Difference between the heat supplied and the heat exhausted

2. The heat involved in the change of phase of phase from solid ice to liquid water is called...
Less on the moon
Heat of fusion
Waste heat for secondary uses
Twice the work

3. The ozone hole results from...
Less on the moon
Halogen radicals interfering in ozone synthesis
Waste heat for secondary uses
5 m/s

4. A ship travels 3 miles in 15 minutes what is its speed in miles per hour...
Increases the energy
Remains unchanged
Universal
12 miles per hour

5. Neglecting air resistance - a ball in free fall near the earth's surface will have...
Means less power is transmitted
Difference between the heat supplied and the heat exhausted
Increasing speed and constant acceleration
First principle of Centripetal force

6. Entropy refers to...
Movement
Means less power is transmitted
Disorder
Increasing speed and constant acceleration

7. When you add heat to a substance - its temperature...
Might stay the same
Heat of fusion
Near a maximum
Newtons second principle of Universal Gravitation

8. The work that a heat engine is able to accomplish is ideally equivalent to the
Newtons second principle of Universal Gravitation
263 degrees kelvin
Decreased
Difference between the heat supplied and the heat exhausted

9. If the mass of a cart full of groceries decreases of half and its speed doubles - the momentum of the cart...
Difference in the sped of light in water vs. air
Third principle of Centripetal force
Remains unchanged
Second principle of Centripetal force

10. Increasing the frequency of light
Newtons first principle of Universal Gravitation
Difference in the sped of light in water vs. air
Increases the energy
Movement

11. The weight of one kilogram of iron on earth is...
Newtons third principle of Universal Gravitation
Less on the moon
Mechanical - chemical - and radiant energy
Total internal energy of an object

12. Electromagnetic radiation can be viewed as...
Momentum
Waves and particles
263 degrees kelvin
5 m/s

13. The gravitational force between two masses is inversely proportional to the square of the distance between those two objects.
Sulfur
Difference between the heat supplied and the heat exhausted
Mechanical - chemical - and radiant energy
Newtons third principle of Universal Gravitation

14. If a charging elephant has kinetic energy - it must also have...
Mechanical - chemical - and radiant energy
Momentum
Newtons second principle of Universal Gravitation
Means less power is transmitted

15. cogeneration uses...
Second principle of Centripetal force
Waves and particles
Remains unchanged
Waste heat for secondary uses

16. Electric power companies step up the voltage of generated power for transmission across the country because higher voltage...
12 miles per hour
Sulfur
Heat of fusion
Means less power is transmitted

17. In burning coal - what contaminant is of major concern as a pollutant...
Decreased
Increases the energy
Might stay the same
Sulfur

18. Heat is the...
Total internal energy of an object
Less on the moon
Sulfur
Might stay the same

19. At a given speed - the centripetal force - the smaller the circle.
Halogen radicals interfering in ozone synthesis
Third principle of Centripetal force
Movement
Less on the moon

20. A temperature of -10 degrees celsius is equivalent to...
263 degrees kelvin
Heat of fusion
First principle of Centripetal force
Universal

21. The larger the centripetal force - the faster an object travels in a circle of a given size
Increasing speed and constant acceleration
Second principle of Centripetal force
Might stay the same
Newtons second principle of Universal Gravitation

22. Electrical energy can be converted to...
12 miles per hour
5 m/s
Mechanical - chemical - and radiant energy
Increasing speed and constant acceleration

23. The gravitational force - two masses are directly proportional to the mass of each object
Newtons second principle of Universal Gravitation
Second principle of Centripetal force
Newtons first principle of Universal Gravitation
Momentum

24. In a generator - the flow of electrons (current) is created by...
Decreased
Remains unchanged
Movement
Sulfur

25. All objects with mass are attracted to another by the gravitational force
Third principle of Centripetal force
Newtons first principle of Universal Gravitation
Waste heat for secondary uses
First principle of Centripetal force

26. Raising an auto in a service station requires work. Raising it twice as high requires...
Remains unchanged
Decreased
Waves and particles
Twice the work

27. The theoretical production curve of oil indicates oil production is...
Near a maximum
First principle of Centripetal force
Twice the work
Movement

28. Which is not one of the fundamental forces of nature...
Near a maximum
Sulfur
Universal
Waves and particles

29. From the 50's and to the 70's - the pH of rain in the northeast had..
Decreased
Total internal energy of an object
Difference in the sped of light in water vs. air
Less on the moon

30. A 5 kg fish that is swimming toward it at a velocity that brings both fish to a halt. What is the speed of the smaller fish?
5 m/s
Newtons third principle of Universal Gravitation
Less on the moon
Disorder

31. The reason that a spear fisherman cannot see where the fish is actually located is...
Difference in the sped of light in water vs. air
Remains unchanged
Increasing speed and constant acceleration
Newtons second principle of Universal Gravitation